package homework;

public class Student3 extends Person3{
    String className;
    String stuId;

        Student3(){};
        Student3(String name,int age,String address,String className,String stuId){
            super(name,age,address);
            this.className=className;
            this.stuId=stuId;
        }
        void study(){
            System.out.println(name+"正在学习。。。");
        }
        void sayhi(){
            System.out.println("大家好，我叫"+name+"今年"+age+"岁了"+"家住在"+address+"所在班级是："+className+"学号是："+stuId);
        }
}

